必岛他 College of Chemistry Chemical Engineering Analytical Chemistry分析化学 3条件溶度积 F M++ a oH- MOH ML HA M][A] M]=M+ ML+ MLal+. +M(ORDI+M(OH)2 A=[A+HHA+HHa+t+IHA M A [A] haplY Gravimet 2013-2014Analytical Chemistry Analytical Chemistry Analytical Chemistry Analytical Chemistry 分析化学 ChapⅨ Gravimetry Gravimetry Gravimetry Gravimetry 2013-2014 2013-2014 2013-2014 2013-2014学年 3 条件溶度积 MA(固) � M+ + A- [M+ ´] [A´] = [A]+[HA]+[H ] = [A]+[HA]+[H ] = [A]+[HA]+[H ] = [A]+[HA]+[H2A]+…+[HnA] [M´] = [M] + [ML] + [ML ] = [M] + [ML] + [ML ] = [M] + [ML] + [ML ] = [M] + [ML] + [ML2]+…+[M(OH)]+[M(OH) +[M(OH)]+[M(OH) +[M(OH)]+[M(OH) +[M(OH)]+[M(OH) 2] M [M '] [M] α = A [A '] [A] α = OH- MOH ● ● ● L ML ● ● ● H+ HA ● ● ● [A-´]